Model # 48DTN036090300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48DTN036090300 package unit, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

Click a diagram to see the parts shown on that diagram.
In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 143 parts |

#63

Control box/panel assy diagram

Contactor

Part #HN51KB024

Replaced by #90-244

$26.61 |

18% OFF Phone Price : $32.61

In Stock

Qty

#68

Control box/panel assy diagram

Switch,prs

Part #HK06WC061

$62.29

In Stock

Qty

#123

Exchange assy diagram

Switch,tem

Part #HH18HA525

$20.49

In Stock

Qty

#140

Outside view diagram

Exchanger

Part #48XZ660004

$1086.80

In Stock

Qty

#43

Outside view diagram

Button

Part #KA51PC175

This item is not returnable

$5.11

In Stock

Qty

#51

Outside view diagram

Heater

Part #HT32BH282

$169.08

In Stock

Qty

#15

Inside assy diagram

Cover assembly

Part #48GS400552

$267.15

In Stock

Qty

#29

Front view/rear view diagram

Insulation

Part #48GS500306

$104.76

In Stock

Qty

#118

Control box/panel assy diagram

Plug,model

Part #HK70EZ048

$31.16

In Stock

Qty

#85

Blower assy diagram

Arm

Part #HC98ZZ250

This item is not returnable

$7.17

In Stock

Qty

Most common symptoms to help you fix your heating & cooling combined units

Choose a symptom to see related heating and air conditioning system repairs.

View all

Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

Why isn’t my air conditioner cooling well?

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

Why isn’t my air conditioner cooling?

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

Why won’t my furnace burners won’t stay lit?

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

Why won't my air conditioner turn on?

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

Why won't my furnace turn on?

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…

Most common repair guides to help fix your heating & cooling combined units

These step-by-step repair guides will help you safely fix what’s broken on your HVAC system.

View all

How to unclog the air conditioner drain line

The condensate drain line for your central air conditioner can clog with mold and mildew. Water will back up and start d…

Repair difficulty

Time required

15 minutes or less

How to replace the furnace flame sensor

The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only sta…

Repair difficulty

Time required

15 minutes or less

How to replace a heating and air conditioning system thermostat

The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.…

Repair difficulty

Time required

30 minutes or less

Effective articles & videos to help repair your heating & cooling combined units

Use the advice and tips in these articles and videos to get the most out of your HVAC system.

View all

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Model # 48DTN036090300 Official Carrier package unit

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your heating & cooling combined units

Why is my furnace not blowing hot enough?

Why isn’t my air conditioner cooling well?

Why isn’t my air conditioner cooling?

Why won’t my furnace burners won’t stay lit?

Why won't my air conditioner turn on?

Why won't my furnace turn on?

Most common repair guides to help fix your heating & cooling combined units

How to unclog the air conditioner drain line

How to replace the furnace flame sensor

How to replace a heating and air conditioning system thermostat

Effective articles & videos to help repair your heating & cooling combined units

Maintaining your air conditioner

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Top questions about Sears and Sears PartsDirect

Parts & More

Stay Connected

Quick links

Let us help you

More resources